A train travels first 160 Km at 64 Km/hr and the next 160 Km at 80 Km/ – McqOptions

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1.	A train travels first 160 Km at 64 Km/hr and the next 160 Km at 80 Km/hr. The average speed for the first 320 Km of the tour is
A.	57.24 km/hr
B.	71.11 km/hr
C.	78.32 km/hr
D.	91 km/hr
Answer» C. 78.32 km/hr

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